Brian Hamilton
    Yours is the best I have found so far.
    After ordering from you in July. we want to expand our cooperation, please give me solution for Long range Transmitter around 40-70KM. Thanks!
    The Transmitter ST11HPT working perfect! We will order more soon. Look forward to establish long term business relationship with you!
Contact Person : Sonia
Phone Number : Mobile: +86 135 9021 5519
WhatsApp : +8613590215519

40W NLOS COFDM Transmission Equipment 300MHz-4.4GHz 150km For Wireless Helicopter

Place of Origin Shenzhen, China
Brand Name SUNTOR
Certification FCC, CE, RoHS
Model Number ST6240CZ-SD
Minimum Order Quantity 1 set
Price Negotiation
Packaging Details Plastic Box
Delivery Time 7-15 days
Payment Terms T/T, Western Union, Paypal
Supply Ability 1000 set/ month

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Modulation COFMD Working Frequency 300MHz~4.4GHz Adjustable
Output Power 40W Compressed Format H.264/MPEG-2
Video Input PAL/NTSC Resolution 720*576, 25 Fps
Power Supply AC 110-230V Weight 5kg
High Light

cofdm hd wireless transmitter


long range video transmitter

Leave a Message
Product Description

40W NLOS 150km Wireless helicopter COFDM Transmission Equipment


NLOS Portable COFDM Wireless Long Range Vehicle Video Transmitter is a big RF ( radio frequency ) power long range COFDM wireless video transmitter. it is vehicle mounted and for wireless LOS / NLOS long range mobile transmissonis.


Wireless video transmitter is with standard 19 inch 2U dimension appearance and suitable for fixed installation.
Wireless transmitters ST6220CZ-SD supports mobile images, audio, video transmission.
NLOS Portable COFDM Long Range Wireless Video Transmitter performs well PTP (point to point) audio video transmission.


Long Range Vehicle Video Transmitter (ST6220CZ-SD) can transmit up to 50km LOS long range and 20km NLOS long range with omni-directional antenna. It's suitable for Car to car,boat to boat,vehicle , boat, helicopter or drone to fixed station.


Device Advantage:

  • SD resolution 720*576.
  • H.264 high quality digital video processing&video encoding
  • The product shell is made of high quality stainless steel which is more solid and anti-deformation
  • Excellent anti-interference performance under complex electromagnetic condition.
  • One-way picture,one/two way voice,reverse control cloud deck function are available.
  • The LOS transmitter range can reach 50km when worked with omni high gain antenna.
  • Space diversity reception capability.
  • Can stably transmitter video&audio signal under the condition of high-speed mobile and multipath interference.


COFDM vehicle-mounted wireless video transmitter,can work in both fixed and mobile applications.It can transmit audio video in the NLOS(none line of sight) and fast-moving mobile environment.


ST6220CZ series are a digital wireless video transmission system, which can transmit stable video image in build-up city and serious multipath effect such as sea surface. It has good diffraction ability and penetrating building ability. Could adapt to urban, mountain land and movement environment very well.


Transmitter parameter

RF Working frequency 300MHz~4.4GHz
Output power 40W
Modulation COFDM (64QAM, 16QAM, QPSK)
Channel bandwidth 2/2.5/4/8MHz Manually adjustable on LCD
Error correcting mode FEC@Viterbi (1/2, 2/3, 3/4)
Encryption AES 128Bit/SUNTOR Basic Scrambling
Guard Interval 1/32, 1/16, 1/8, 1/4
Code Stream 2Mbps~12Mbps
Error rate ≤10-6
Usage mode Vehicle-mounted
Audio and Video Compression format H.264(Embedded Audio)
SD Format

PAL 720 x 576

NTSC 720 x 480

SD Video Input Connectors BNC
Audio L+R In BNC
Others Power supply AC 110-230V
Size 19" 2U standard crate, 485mm×340 mm×90 mm (L×W×H)
Built-in LCD Display and Manually Adjust Parameters
Power switch ON/OFF
Weight 5kg